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出口人开具的汇票，如肝证行付款后向开证人提示遭拒付时，开证行有权行使追索权。( )
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对不可撤消信用证中任何条款的修改，都必须经有关当事人全部同意后才能生效，对同一修改通知中的内容允许部分接受。( )
简述信用证与买卖合同的关系。
阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 Stinking (发臭的) Buses Stinking buses jam(挤满) the crowded street. Drivers (51) at one another and honk(鸣喇叭)their horns. Smog(烟雾)hurts the eyes and chokes(窒息) the senses. The (52) is Athens at rush hour. The city is in a sorry state of affairs, built (53) a plan, lacking even adequate sewerage facilities (排水设施) ,its 135 square miles packed with 3.7 million people. So great has been the population flow toward the city that neighboring villages stand (54) or nearly so. About 120,000 people from distant provinces move to Athens every year. The migrants come for the few available (55) . Because of migration, Athens by the year 2000 will have a population of 6.5 million, more than half the nation. Aside from overcrowding and poor public transport, the biggest (56) facing Athenians are noise and pollution. A government study (57) that Athens was the noisiest city in the world. Smog is almost at killing levels: up to four times the level that the World Health Organization considers safe. Nearly half the pollution comes from cars. (58) high prices for vehicles and fuel, nearly 100,000 automobiles are sold in Greece each year: 3,000 drivers’ licenses are (59) in Athens monthly. After decades of neglect, Athens is at (60) getting some attention. In March a government meeting was held to discuss a plan to make the city (61) and clean up its environment. A save-Athens ministry will propose heavy taxes to (62) immigration and a minimum of ＄5 billion in public spending for Athens alone. A master plan that will move many government offices to the city’s (63) is already in the works. Meanwhile, more Greeks (64) moving into Athens. With few parks and few oxygen-producing plants, the city and its citizens are (65) suffocating(窒息).
第二篇 TV Goes Digital Coming soon to your TV: views of the hottest live basketball plays from any seat in the stadium. What a better look at that three-point shot Call for a replay from behind the basket. Or better yet, follow the "view" of the ball as it goes through the net. While watching, you might use a built-in speakerphone to talk with a fan in the stands. Or send the score via email to your father in Japan. Sounds impossible It won’t be when the computerized television industries combine to create digital TV machines that receive, send, store, and manipulate TV programs the way computers now manipulate other data; Industry and government representatives recently reached an agreement on how this technology will take place. New digital TVs that allow current TVs to receive digital signals may hit stores by next spring. To understand how the digital revolution will change the way you watch TV it helps to know how TVs work now. Today, TV networks such as CBS and Fox broadcast; TV shows as analogue electrical signals; These signals travel via the airwaves, satellites; or cable as a continuous stream of electromagnetic energy (like light and radio waves). But this system leaves a lot of room for error. The main problem is that interference can change the voltage of the signal as it travels. This may result in a distorted or miscolored picture. If we send out the signal in a form that is nearly free from interference-binary(两位数的)code, pictures and colors are not distorted. you’ll need to buy a new TV to receive these signals. And the new sets may cost 1,000 US dollars more than today’s TVs. But they’ll come with other benefits that may make the price worthwhile. For one thing, the screens will be wider, like movie screens. In addition, the color will be richer. And you’ll also get digital CD-quality sound. Besides these benefits, digital TVs can offer you a much wider choice of programs. Digital data can expand TV choices because computers can compress digital signals. Broadcasters will be able to send six times as much information on the same "channel". What is the author’s opinion about the new TV
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